1530 results about "Power module" patented technology

The uninterruptible power supply cabinet includes a cabinet body, a switch component, and a power cabinet. The cabinet body is provided with an external port and a first power connection end, and the external port is configured to connect to an external device. The switch component is disposed in the cabinet body, one end of the switch component is electrically connected to the external port, and another end of the switch component is electrically connected to the first power connection end. The power cabinet is disposed in the cabinet body, and the power cabinet includes a first frame and at least one power module. The first frame includes a second power connection end, and the second power connection end is configured to detachably and electrically connect to the first power connection end.

A sound source positioning device based on multi-microphone and time difference algorithm, the device comprises a sound signal acquisition module, a signal processing module, a positioning and communication module, a display module and a power module; the sound signal acquisition module adopts multiple output analog signal microphones to realize omnidirectional acquisition of sound signals; the signal processing module takes a single-chip microcomputer as the core and integrates analog signal amplification, filtering, peak detection, analog-to-digital conversion and time difference algorithm processing functions; the positioning and communication module combines a Beidou positioning module and a mobile communication module to realize sound source position determination and remote data transmission; the power module stably supplies power to each module in multiple gears. The present application combines multi-microphone cooperative acquisition with the time difference algorithm to improve the accuracy and stability of local single-point sound source positioning and can be applied to security monitoring, environmental monitoring, industrial inspection and other scenes.

The application discloses a power module, comprising: a plurality of low-side transistors, a plurality of high-side transistors, a first gate drive chip and a second gate drive chip, the first gate drive chip drives the plurality of low-side transistors, the second gate drive chip drives the plurality of high-side transistors, the plurality of low-side transistors, the plurality of high-side transistors, the first gate drive chip and the second gate drive chip are mounted on a plurality of base islands of the power module; a lead frame, the lead frame has a plurality of pins; a plastic package, comprising opposite first and second side edges and opposite third and fourth side edges, the plastic package covers the lead frame, the plurality of low-side transistors, the plurality of high-side transistors, the first gate drive chip and the second gate drive chip; the plurality of pins of the lead frame respectively extend from the first, second, third and fourth side edges of the plastic package to the outside of the plastic package. The power module greatly reduces the overall volume of the module and significantly reduces the cost.

The utility model provides a single iron core measures ac leakage current system, it has solved leakage current detection circuit cost higher problem, it includes power module, power module is connected with measurement circuit and MCU module, measurement circuit has two groups of operational amplifier follower, one group of operational amplifier follower is connected through sampling resistance R9 with the one end of the measurement coil that is wound on annular core, the other end of measurement coil is connected through another group of operational amplifier follower with the PWM pin of MCU module, the ADC pin of MCU module is connected on sampling resistance R9. The utility model has good leakage detection effect, lower cost and the like advantages.

The utility model provides a height adjustable power module packaging structure, include: radiator, module side frame sets up on radiator, module side frame top both sides set up heightening subassembly, module side frame all sets up self -tapping screw hole with each heightening subassembly's position correspondingly, and the heightening subassembly clamping cooperation of setting up with it correspondingly is connected with self -tapping screw hole, terminal pin interval arrangement is in the module side frame top between heightening subassembly, PCB board sets up in module side frame top, terminal pin passes through PCB board and extends to PCB board outside, and PCB board and heightening subassembly screw connection, or PCB board and heightening subassembly contact, the utility model discloses height adjustable power module packaging structure can solve the compatible problem of module side frame different height, is applicable to the packaging form of the majority of self -tapping screw hole position on market, heightening subassembly is general spare, reduces the mould cycle and mould expense, nimblely can realize, can dispense with system support column, reduces the benefit, and reduces PCB trepanning, improves the utilization of wiring.

The ceramic substrate (1) is monolithic, and it contains an integrated channel (2) for the passage of heat-transfer medium. From the outside the ceramic substrate (1) is adapted for direct printing using conductive patterns (3, 4) and for the direct mounting of electronic components (5) generating waste heat, particularly for the power module applications, for the effective dissipation of waste heat.

The application provides a composite heat dissipation controller power module, which comprises a shell, a power module, a cold plate, a cover and a control board group, a capacitor core is packaged in the shell; the power module is sealingly connected with the shell and forms a first cooling cavity; the cold plate has a first packaging surface and a second packaging surface on opposite sides, a second cooling cavity is formed in the cold plate and an opening is formed on the first packaging surface and the second packaging surface respectively, the power module is sealingly connected with the second packaging surface to close the opening of the second packaging surface; the cover is sealingly connected with the first packaging surface and forms a third cooling cavity which is connected with the second cooling cavity; the control board group is connected with the first packaging surface in the third cooling cavity and corresponds to the opening of the first packaging surface; the application adopts a water cooling and oil cooling combined cooling mode, which can improve the cooling effect of the power module and the control board group, reduce the risk of local high temperature of the power module, and ensure the stability and reliability of the power module operation.

Interconnector for power module. The invention relates to an interconnector (50) intended to be electrically connected to a power module (1) and an electronic board, characterized in that it comprises: a connection grid comprising electrically conductive elements (102, 202) including at least one electrically conductive signal track (102) and at least one power conductor (202), each of the conductive elements comprising, at a first end, a connection pad (1023) intended to be electrically connected to the power module (1) and, at a second end, a connection terminal (2023); an enclosure (51) partially overmolded around the electrically conductive elements (102, 202), the connection pads (1023) and the connection terminals (2023) being disposed outside the enclosure (51). (Figure 4)

The application discloses a single-phase full-bridge power module, comprising a substrate, a base island located on a first surface of the substrate, the base island comprising a first base island, a second base island and a third base island, a first power device, a second power device, a third power device and a fourth power device, the first power device and the second power device forming a first half-bridge unit, the third power device and the fourth power device forming a second half-bridge unit, the first half-bridge unit and the second half-bridge unit forming a single-phase full-bridge unit, the first power device and the third power device being located on the first base island, the second power device being located on the second base island, the fourth power device being located on the third base island, and the first base island semi-enclosing the second base island and the third base island. The single-phase full-bridge power module provided by the application adopts a reasonable layout to package power devices, reduces parasitic parameters, and improves the dynamic performance and loss of a circuit.

This application relates to a power module unit, an energy storage valve module, an energy storage valve, and an energy storage device. The power module unit includes an upper bridge arm switching tube and a lower bridge arm switching tube connected in series; where a load capacity operating parameter of the upper bridge arm switching tube is greater than a load capacity operating parameter of the lower bridge arm switching tube. It can be seen that embodiments of this application achieve an asymmetrically configured power module unit, which, while meeting the load capacity requirements of the power module unit for the upper and lower bridge arm switching tubes, can not only improve the utilization rate of the lower bridge arm switching tube but also save the cost of components in the power module unit, thereby facilitating cost savings for the energy storage valve module.

The utility model discloses a three in one wireless charger, include: charging base, first charging subassembly, second charging subassembly, third charging subassembly and power module, and charging base includes first charging area, second charging area and first installation socket, first charging subassembly includes connecting rod and first wireless charger, and the first end of connecting rod is installed in first installation socket, and first wireless charger is installed in the second end of connecting rod, second charging subassembly is installed in first charging area, third charging subassembly is installed in second charging area, and power module is installed in charging base, and power module includes the power supply port of being connected with external power, and power module is connected with first charging subassembly, second charging subassembly and first wireless charger respectively, the utility model provides a three in one wireless charger, can carry out wireless charging for multiple electronic equipment simultaneously.

The application discloses a packaging structure of a power module, which comprises an insulating substrate, a plurality of base islands, a power device, a first diode, a second diode, a signal terminal, a power terminal and a plastic package body. The combination of the power device and the first diode is packaged together with the second diode, so that the stray inductance in the device is reduced, the layout and wiring are simplified, the device performance is improved, the application range of the device is wider, and the space utilization is greatly improved.

The present application is applicable to the technical field of LED all-in-one machines, and provides a power supply control system, an LED all-in-one machine, and an electronic device. The power supply control system comprises n switch modules and n power module arrays; each power module array comprises a plurality of power modules connected in parallel; the n switch modules correspond to the n power module arrays on a one-to-one basis; each switch module is electrically connected to all of the power modules in the corresponding power module array; all of the switch modules are used for electrically connecting to a power supply device; each power module is used for electrically connecting to a corresponding load.

To provide an electrostretching machine with improved material uniformity. [Solution] The present invention relates to an electrostretching machine with improved material uniformity, in which the shape of the electric field generated between the emitter and the collector is changed stably or variably over time, thereby achieving a more uniform deposition of fiber-particles. To do this, the machine comprises a steering electrode (6) positioned at the end of an injector (1), the steering electrode (6) being connected to a power module (5) that applies a potential difference to the steering electrode to exert a repulsive or attractive force on the fiber-particles (4), and a collector (3) comprising conductive material regions (8) positioned on the surface of an insulating material (7) that are electrically insulated from each other, and a voltage which can have a continuous or alternating amplitude and / or phase is applied to the conductive material regions (8).

The utility model relates to a kind of board division magnetic attraction type high-power device integrated assembly, including circuit board, several power devices and radiator, and circuit board includes several circuit sub-boards, and same number of power devices is distributed to each circuit sub-board to construct power module unit;Power device is equipped with magnetic attraction material near the side of radiator;Each power module unit is magnetically attracted and connected on radiator by several power devices on its circuit sub-board.The utility model evenly distributes power device in multiple standardization circuit sub-boards, disperses thermal stress, reduces the risk of deformation of single circuit board;And using magnetic material realizes the automatic alignment and close fit of device and radiator, avoids the alignment error of traditional mechanical fixing, substantially improves assembly efficiency;Its standardization sub-board supports power flexible extension.Therefore, the board division magnetic attraction type high-power device integrated assembly of the utility model systematically solves the collaborative optimization problem of heat management, mechanical reliability and assembly efficiency in traditional high-power module.

The present application relates to liquid cooling heat dissipation technical field, specifically propose a kind of liquid cooling cooling system of charging pile, comprising: liquid cooling part, transfer part and heat removal part;Liquid cooling part is set on power module, and it is provided with flow channel for fluid passing in it;Transfer part is provided with transfer cavity for fluid passing, and the water inlet of flow channel is communicated with transfer cavity, and the water outlet of flow channel and transfer cavity are connected in parallel with first channel and second channel;Heating assembly is provided in transfer cavity;Heat removal part is set on first channel;When the temperature of fluid is higher than first preset temperature, first channel opens, and second channel closes;When the temperature of fluid is lower than second preset temperature, second channel opens, and first channel closes.Overcome the problem of waiting for temperature to rise, avoid the temperature of power module too low and cannot normally start, improve cooling efficiency, also can avoid temperature too low, so as to maintain the temperature of power module in normal range, to ensure charging efficiency.

The application provides a winding roller and an overlapping plastic bag winding device. The winding roller comprises an outer plate module, the outer plate module comprises at least two circular arc plates and an adsorption plate spliced between the circular arc plates, adsorption holes are arranged on the adsorption plate at intervals, a transmission part is arranged on the inner side of the outer plate module, a matching module is connected between the outer plate module and the transmission part, a power module is connected to the transmission part, elastic parts are connected to the ends of the circular arc plates away from the power module, and the outer diameter size of the outer plate module changes when the power module drives the transmission part to move. The application has a clever design, realizes the change of the outer diameter size of the winding roller by control, and realizes the adsorption of the plastic bag on the outer side of the roller by the vacuum adsorption mode, so that the wound plastic bag roll cannot be torn due to too close to the winding roller.

The utility model discloses a kind of electromagnetic multi-way valve remote monitoring devices, it is related to valve remote control technical field, including monitoring terminal and monitoring mainboard, the downside of the monitoring terminal is provided with opening, the downside of the opening is abutted and is provided with L type board, the monitoring mainboard is set on the upper surface of L type board, the two sides of the L type board and the inner wall of monitoring terminal are abutted, the upper surface of the monitoring mainboard is integrally provided with remote control module, data monitoring module and power module, the inner wall of the side of the monitoring terminal away from L type board is fixedly provided with horizontal plate, the middle part of the horizontal plate is provided with through-hole, the inside of the through-hole is slidably provided with vertical rod, the upper surface of the monitoring mainboard and located at the lower end close to horizontal plate is fixedly provided with triangular block. The utility model can save time and labor to take out monitoring mainboard from monitoring terminal, can save time and labor to maintain device, guarantee monitoring data accurate.

This invention relates to the field of public transportation technology, and particularly to a mobile electronic bus stop sign mounted on a bus. The sign includes a terminal device mounted on the right side of the bus. The terminal device is connected to a backend system via a network. The terminal device includes a housing structure with a display screen installed inside. The display screen is electrically connected to a control module installed inside the housing structure. The control module is connected to the backend system network via a communication module. A power module is installed inside the housing structure. The sign can display arrival prediction information for all routes passing through all stops; it can also display more basic information about bus routes, such as route name, direction of travel, first and last bus times, arrival reminders, and next stop reminders; and it can play media information, including videos, pictures, and text. Compared to traditional LED bus stop signs, this invention better meets the waiting needs of passengers and facilitates public transportation.

The application relates to a connecting terminal. The connecting terminal is used for a power module, and comprises a plug part, a buffer part, a connecting part and a supporting part. The buffer part comprises a first buffer part and a second buffer part connected with each other, and the first buffer part is located between the plug part and the second buffer part. The supporting part is connected with the connecting part, and the supporting part comprises a first supporting part and a second supporting part connected with each other, at least part of the surface of the first supporting part is arranged opposite to the first buffer part, the first supporting part is located on the side of the first buffer part away from the plug part, and at least part of the second buffer part is arranged side by side with the second supporting part. The first buffer part is configured to deform towards the first supporting part when the connecting terminal is pressed, so that the first buffer part presses against the first supporting part. The second supporting part is configured to rotate relative to the connecting part when the first supporting part is pressed, so as to support the first buffer part. The application can effectively improve the structural strength of the connecting terminal.

The utility model discloses a kind of driving circuit and display screen for display screen. Among them, the driving circuit includes: power module, first constant-current drive module and control module, wherein, the output end of power module is connected with the anode of red light-emitting diode, for providing voltage for red light-emitting diode;The power end of first constant-current drive module is connected with the output end of power module, the output end of first constant-current drive module is connected with the cathode of red light-emitting diode, for controlling the current that flows through red light-emitting diode maintains in first preset current range;The input end of control module is connected with the output end of power module, the first reference potential output end of control module is connected with the ground end of first constant-current drive module, for controlling the total power supply voltage of red light-emitting diode and first constant-current drive module maintains in first preset voltage threshold value.The utility model solves the technical problem that the difficulty of current LED drive circuit design is high, energy saving is poor.

This invention provides a dynamic response ESD protection circuit and power module. The circuit includes a step-down module, a first switch module N1, a second switch module N2, and a protection module D1. One end of the step-down module is connected to one end of the protection module D1 and a first power supply VDD. The other end of the step-down module is connected to both the first switch module N1 and the second switch module N2. The other end of the protection module D1 is connected to the first switch module N1. Both the first switch module N1 and the second switch module N2 are connected to a second power supply VSS. This dynamic response ESD protection circuit and power module optimizes the circuit structure, enables rapid circuit detection, ensures rapid circuit discharge, improves circuit response speed, and enhances circuit operational reliability.

The utility model discloses a kind of concealed samplers with replaceable sampling points, it is related to smoke detection field, including suction type smoke fire detector module, UPS power module and sampling pipe network module;One end between suction type smoke fire detector module and UPS power module is fixedly connected, the vertical distance of suction type smoke fire detector and ground can be selected as distance is 1.5m, corresponding power panel and module box are equipped in suction type smoke fire detector module, the inside of corresponding power panel and module box is equipped with power cord, when the utility model uses detachable concealed sampling mode, sampling point can be removed from sampling head after unified cleaning, and there are more efficient cleaning methods including soaking cleaning, can completely remove dirt on sampling point, to next replacement period, the sampling point after cleaning can be replaced on sampling head, which can effectively improve the cleaning efficiency and effect of sampling point.

The invention relates to a method for controlling an energy supply of a lift (1) comprising a power module (15) for supplying the lift (1) with electrical energy from a mains system (19) and / or a battery (20) and for charging the battery (2), wherein, when it is established that the lift is in an inactive state, in which less electrical energy is drawn from the battery (20) than in an active state of the lift (1), the method involves: adapting at least one charging parameter (P) for charging the battery (20) to the inactive state; generating a control command (26) for controlling the power module (15) such that the battery (20) is charged at least in some phases according to the at least one charging parameter (P) adapted to the inactive state.

Systems, circuits, and methods provide heat-sink-coupled conductive structures having eddy current mitigation structures, formed as S-notches, and integrated current sensors. An example conductive structure includes a high-current conductor structure having a main current path including an S-notch portion configured to mitigate eddy currents. The structure includes a low-current conductor structure connected to a first heat sink and having a main current path configured to conduct a second current. A differential current sensor is connected to the low-current conductor structure and configured to detect current flowing in the high-current conductor structure. A power module includes the conductive structure and a power converter that is configured to convert power between the first current in the high-current conductor structure and the second current in the low-current conductor structure. The conductive structures and power modules can be used for EV applications.

This invention relates to the field of gallium nitride (GaN) technology and discloses a GaN and MOS power module for a robot digital control unit, comprising a substrate, a front GaN structure, and a back GaN structure. The front GaN structure and the back GaN structure are located on opposite sides of the substrate, with an intermediate dielectric deposited between them. The front GaN structure includes a front buffer layer, a front GaN layer, a front aluminum gallium nitride layer, a front source electrode, a front gate electrode, a front P-type GaN layer, and a front drain electrode. This invention achieves normally-off operation through the front enhancement-mode GaN structure to improve system safety, and utilizes the back depletion-mode structure to provide high current drive capability. Simultaneously, the integrated capacitor structure formed by the front electrode, intermediate dielectric, and back electrode effectively absorbs voltage spikes and suppresses electromagnetic interference, thus enabling this power module to combine high-speed switching, low loss, and high reliability in a robot digital control unit.

The invention relates to assembly and disassembly of electronic devices, e.g. power modules or MEMS modules. In that context, the invention is situated at the intersection of advanced assembly of electronic devices and environmental sustainability. It addresses the critical need for Robust Eco-Design (RED) with design in the 7R setting. For that purpose, the invention foresees to equip components of the electronic device which are to be fixed to each other, e.g. a heat sink, a substrate, and a semiconductor chip, with interlocking arrangements which can be securely fixed to each other with a shrink fitting procedure. This allows, on the one hand, stable fixation of the components and, on the other hand, simple separation of the components for the purpose of disassembling the electronic device.

The application discloses a kind of fusions ultrasonic wave, short wave low frequency band radio safety penetration device, comprising: ultrasonic wave radio signal transceiver link module, short wave / ultra-short wave radio signal transceiver link module and power module;The power module is respectively with the circuit connection between ultrasonic wave radio signal transceiver link module and short wave / ultra-short wave radio signal transceiver link module;The ultrasonic wave radio signal transceiver link module includes ultrasonic wave radio signal receiving link module and ultrasonic wave radio signal transmitting link module;The short wave / ultra-short wave radio signal transceiver link module includes short wave / ultra-short wave radio signal receiving link module and short wave / ultra-short wave radio signal transmitting link module.The application solves the deficiency of existing radio bottom layer safety depth scanning penetration tool.

A power module unit, an energy storage valve module, an energy storage valve, and an energy storage device are described. The power module unit includes an upper bridge arm switching tube and a lower bridge arm switching tube connected in series; where a load capacity operating parameter of the upper bridge arm switching tube is greater than a load capacity operating parameter of the lower bridge arm switching tube. It can be seen that embodiments of this application achieve an asymmetrically configured power module unit, which, while meeting the load capacity requirements of the power module unit for the upper and lower bridge arm switching tubes, can not only improve the utilization rate of the lower bridge arm switching tube but also save the cost of components in the power module unit, thereby facilitating cost savings for the energy storage valve module.